What was found in ZIP 75078
The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Copper | 308.2 µg/L 24% of the EPA limit 1300 µg/L Main supplier: TOWN OF PROSPER · 42,598 people · 2018 | 3/3 | SYR4 |
| Nitrate-Nitrite | 140 µg/L 1.4% of the EPA limit 10000 µg/L Highest in the ZIP: BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 1/3 | SYR4 |
| TTHM | 52.705 µg/L 66% of the EPA limit 80 µg/L Main supplier: TOWN OF PROSPER · 42,598 people · 2019
Highest in the ZIP: 122.275 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 3/3 | SYR4 |
| Chloroform | 16.91 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2019
Highest in the ZIP: 94.645 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 3/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 31.66 µg/L 53% of the EPA limit 60 µg/L Main supplier: TOWN OF PROSPER · 42,598 people · 2019
Highest in the ZIP: 62.71 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 3/3 | SYR4 |
| Barium | 50.8 µg/L 2.5% of the EPA limit 2000 µg/L Highest in the ZIP: BRYAN CO. RWS & SWMD #2 · 6,270 people · 2013 | 1/3 | SYR4 |
| Trichloroacetic Acid | 6.605 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2019
Highest in the ZIP: 36.03 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 3/3 | SYR4 |
| Dichloroacetic Acid | 19.005 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2019
Highest in the ZIP: 30.355 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 3/3 | SYR4 |
| Bromodichloromethane | 19.19 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2019
Highest in the ZIP: 24.055 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 3/3 | SYR4 |
| Lead | 8.268 µg/L 55% of the EPA limit 15 µg/L Main supplier: TOWN OF PROSPER · 42,598 people · 2018
Highest in the ZIP: 18.392 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2018 | 3/3 | SYR4 |
| Dibromochloromethane | 14.72 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2019 | 3/3 | SYR4 |
| Lithium | 9.17 µg/L No EPA limit set Highest in the ZIP: ELM RIDGE WCID · 5,061 people · 2025 | 1/3 | UCMR-5 |
| Dibromoacetic Acid | 8.765 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2019 | 3/3 | SYR4 |
| Monochloroacetic Acid | 7.3 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2019
Highest in the ZIP: 8.368 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 3/3 | SYR4 |
| Bromoform | 5.7 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2019 | 3/3 | SYR4 |
| Monobromoacetic Acid | 3.53 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2019
Highest in the ZIP: 3.6495 µg/L — BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 3/3 | SYR4 |
| Gross Beta Particle Activity | 2.054 pCi/L No EPA limit set Highest in the ZIP: BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 1/3 | SYR4 |
| Combined Radium (-226 And -228) | 1.095 pCi/L 22% of the EPA limit 5 pCi/L Highest in the ZIP: BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 1/3 | SYR4 |
| 2,4-D | 0.9000 µg/L 1.3% of the EPA limit 70 µg/L Highest in the ZIP: BRYAN CO. RWS & SWMD #2 · 6,270 people · 2019 | 1/3 | SYR4 |
| Pfba | 0.0084 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2024 | 2/3 | UCMR-5 |
| Pfpea | 0.0078 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2024 | 1/3 | UCMR-5 |
| Pfhxa | 0.0077 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2024 | 1/3 | UCMR-5 |
| PFBS | 0.0054 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2024 | 1/3 | UCMR-5 |
| PFHXS | 0.0052 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2024 | 1/3 | UCMR-5 |
| PFOS | 0.0047 µg/L No EPA limit set Main supplier: TOWN OF PROSPER · 42,598 people · 2024 | 1/3 | UCMR-5 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L Main supplier: TOWN OF PROSPER · 42,598 people · 2024 | 3/3 | LCR |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
Water suppliers serving ZIP 75078
| Supplier | State | Population served |
|---|---|---|
| TOWN OF PROSPER | TX | 42,598 |
| BRYAN CO. RWS & SWMD #2 | OK | 6,270 |
| ELM RIDGE WCID | TX | 5,061 |
Frequently asked questions about ZIP 75078 tap water
Is the tap water in ZIP 75078 safe to drink?
EPA testing detected 26 contaminants across the water suppliers serving ZIP 75078. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 75078?
3 public water suppliers report EPA drinking-water monitoring for ZIP 75078. Each is listed above with its population served.
What contaminants are in ZIP 75078's water?
EPA monitoring detected Copper, Nitrate-Nitrite, TTHM, Chloroform, Total Haloacetic Acids (HAA5), and others across this ZIP's suppliers. The full list with levels and sources is above.